Mark 9:29

And he said to them, 'This kind is able to come forth with nothing except with prayer and fasting.'

1 Kings 17:20-22

and crieth unto Jehovah, and saith, 'Jehovah my God, also on the widow with whom I am sojourning hast Thou done evil -- to put her son to death?'

2 Kings 4:33-34

and he goeth in and shutteth the door upon them both, and prayeth unto Jehovah.

Daniel 9:3

and I set my face unto the Lord God, to seek by prayer and supplications, with fasting, and sackcloth, and ashes.

Matthew 12:45

then doth it go, and take with itself seven other spirits more evil than itself, and having gone in they dwell there, and the last of that man doth become worse than the first; so shall it be also to this evil generation.'

Matthew 17:20

And Jesus said to them, 'Through your want of faith; for verily I say to you, if ye may have faith as a grain of mustard, ye shall say to this mount, Remove hence to yonder place, and it shall remove, and nothing shall be impossible to you,

Luke 11:26

then doth it go, and take to it seven other spirits more evil than itself, and having entered, they dwell there, and the last of that man becometh worst than the first.'

Acts 9:40-41

And Peter having put them all forth without, having bowed the knees, did pray, and having turned unto the body said, 'Tabitha, arise;' and she opened her eyes, and having seen Peter, she sat up,

Acts 14:23

and having appointed to them by vote elders in every assembly, having prayed with fastings, they commended them to the Lord in whom they had believed.

1 Corinthians 9:27

but I chastise my body, and bring it into servitude, lest by any means, having preached to others -- I myself may become disapproved.

2 Corinthians 6:5

in stripes, in imprisonments, in insurrections, in labours, in watchings, in fastings,

2 Corinthians 11:27

in labouriousness and painfulness, in watchings many times, in hunger and thirst, in fastings many times, in cold and nakedness;

2 Corinthians 12:8

Concerning this thing thrice the Lord did I call upon, that it might depart from me,

Ephesians 6:18

through all prayer and supplication praying at all times in the Spirit, and in regard to this same, watching in all perseverance and supplication for all the saints --

James 5:15

and the prayer of the faith shall save the distressed one, and the Lord shall raise him up, and if sins he may have committed, they shall be forgiven to him.

Treasury of Scripture Knowledge

Summary

And he said unto them, This kind can come forth by nothing, but by prayer and fasting.

General references

Bible References

This

Matthew 12:45
then doth it go, and take with itself seven other spirits more evil than itself, and having gone in they dwell there, and the last of that man doth become worse than the first; so shall it be also to this evil generation.'
Luke 11:26
then doth it go, and take to it seven other spirits more evil than itself, and having entered, they dwell there, and the last of that man becometh worst than the first.'

By prayer

1 Kings 17:20
and crieth unto Jehovah, and saith, 'Jehovah my God, also on the widow with whom I am sojourning hast Thou done evil -- to put her son to death?'
2 Kings 4:33
and he goeth in and shutteth the door upon them both, and prayeth unto Jehovah.
Matthew 17:21
and this kind doth not go forth except in prayer and fasting.'
Acts 9:40
And Peter having put them all forth without, having bowed the knees, did pray, and having turned unto the body said, 'Tabitha, arise;' and she opened her eyes, and having seen Peter, she sat up,
2 Corinthians 12:8
Concerning this thing thrice the Lord did I call upon, that it might depart from me,
Ephesians 6:18
through all prayer and supplication praying at all times in the Spirit, and in regard to this same, watching in all perseverance and supplication for all the saints --
James 5:15
and the prayer of the faith shall save the distressed one, and the Lord shall raise him up, and if sins he may have committed, they shall be forgiven to him.

Fasting

Daniel 9:3
and I set my face unto the Lord God, to seek by prayer and supplications, with fasting, and sackcloth, and ashes.
Acts 14:23
and having appointed to them by vote elders in every assembly, having prayed with fastings, they commended them to the Lord in whom they had believed.
1 Corinthians 9:27
but I chastise my body, and bring it into servitude, lest by any means, having preached to others -- I myself may become disapproved.
2 Corinthians 6:5
in stripes, in imprisonments, in insurrections, in labours, in watchings, in fastings,
2 Corinthians 11:27
in labouriousness and painfulness, in watchings many times, in hunger and thirst, in fastings many times, in cold and nakedness;

General references

2 Kings 20:10
And Hezekiah saith, 'It hath been light for the shadow to incline ten degrees: nay, but let the shadow turn backward ten degrees.'